img{border:0px;}
li{list-style:none;}
.nav{margin:auto auto auto auto;width:100%;height:31px;background:url(../img/navbg.gif) repeat-x;padding-left:0; clear:left; font-family:"宋体";font-size:12px;}
.nav li{float:left;width:10%;height:27px;margin-top:4px;background:url(../img/navline.gif) no-repeat right 3px;}
.nav li span{display:block;width:80px;height:27px;margin-left:4px;text-align:center;line-height:27px;}
.nav li span a,.nav .back a{color:#000000;text-decoration:none;}
.nav li span a:hover,.nav .back a:hover{text-decoration:underline;}
.nav li.current span{background:url(../img/tagbg.gif) no-repeat;font-weight:bold;color:#00712E;width :70px}
.nav li.lineNone{background:none;}
.nav .back{float:right;width:117px;background:url(../img/dot.gif) no-repeat left 10px;padding:9px 0px 0px 19px;line-height:18px;}